<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>break关键字</title>
    <script>
        for (var i = 1; i <= 5; i++) {
            if (i == 3) {
                // i == 3 时跳过循环
                break
            }
            console.log(i);
        }
    </script>
</head>
<body>
    
</body>
</html>